Dorman 42185 Headlight Adjusting Screw

Headlight Adjusting Screw for OE-Style Alignment

Dorman 42185 is a specific-fit headlight adjusting screw engineered to match the fit and function of the original hardware on select vehicles. Built from metal and plastic materials, it is made for reliable headlight aiming on sealed beam headlamp systems.

This headlight adjusting screw is used on applications such as Jeep Cherokee, Jeep Comanche, Ford Mustang, and Mercury Capri, where precise headlamp alignment is important for proper road illumination. The Dorman 42185 part number is also referenced in OE-style replacement searches for older Ford, Mercury, Lincoln, and Jeep models.

Key Features

• Specific-fit replacement for select vehicles
• Designed for sealed beam headlight systems
• Adjustable screw-on attachment method
• Constructed from metal and plastic materials
• Matches original part fit and function for headlight aiming
• Compatible with vehicles that use a nut during installation

Detailed Description

Dorman 42185 is a headlight adjusting screw made to restore proper headlamp positioning on supported applications. It is intended for sealed beam headlight assemblies and uses a screw-on attachment method for adjustment. For buyers searching for a headlight adjusting screw for 1991-2001 Jeep Cherokee, 1991-1992 Jeep Comanche, or classic Ford and Mercury models such as Mustang, Capri, LTD, Fairmont, Thunderbird, Cougar, Pinto, Bobcat, Zephyr, LN7, and Lincoln Mark VI, this part number provides a direct replacement path. This part cross-references 421852 and D8BZ13032B for the same application.

What It Helps Fix

• Loose or missing headlight adjustment hardware
• Improper headlamp aim after service or repair
• Difficulty setting sealed beam headlight alignment
• Worn original adjusting screw threads or hardware
• Headlight assemblies that no longer hold position correctly

Installation Notes and Tips

Verify the vehicle’s headlight style before ordering; this part is listed for sealed beam headlight applications. Confirm the original mounting style and note that some listed vehicles include a nut in the fitment notes. Because installation hardware is not included, reuse or source any required related components separately as needed. Match the vehicle year and model exactly to the fitment data for proper installation.

Quality Assurance

Dorman designs this replacement hardware to match original part fit and function on specified vehicles. The combination of metal and plastic construction supports dependable adjustment performance in routine headlight service.